3
Molecular Biology
Molecular Biology
Question MB 1
For which purpose does a scientist perform an in situ
hybridization?
A. To bind DNA to membranes.
B. To synthesize RNA.
C. To localize a specific DNA or RNA sequence.
D. To separate different cell types.
E. To separate RNA according to size.
4
Molecular Biology
Biochemistry
Question BC 1
Many proteins are modified post-translationally by phosphorylation.
The addition of a phosphoryl group to an amino acid side chain
has been shown to …
A. activate enzymes.
B. de-activate enzymes.
C. promote subunit assembly.
D. promote subunit disassembly.
E. all of the above.
5
Molecular Biology
Cell Biology
Question CB 1
Which of the following pairs is mismatched?
A. lysosome: digestion
B. Golgi complex: secretion
C. mitochondria: ATP production
D. centriole: food storage
E. ribosomes: protein production
6
Molecular Biology
Structural Biology and Physical Chemistry
Question SB 1
The folding of water soluble, intracellular globular proteins is
mainly driven by …
A. the formation of a core of hydrophobic amino acids.
B. the formation of disulfide bonds.
C. additional proteins that assist in the process (chaperones).
D. hydrogen bonds and ionic interactions between hydrophilic
amino acids.
E. relaxation of bond tension (rubber band mechanism).